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Georgia Tech ECE Research Group

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WWB04: Exotic Devices and Limits of RF Harvesting

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Part of the Wireless Without Batteries lecture series. We discuss various how the state-of-the-art in nano-devices are used in RF energy-harvesting and their fundamental limits at low power levels.

WWB04: Exotic Devices and Limits of RF Harvesting
Paper: S. Hemour and K. Wu, “Radio-Frequency Rectifier for Electromagnetic Energy Harvesting: Development Path and Future Outlook,” Proceedings of the IEEE, vol. 102, no. 11, pp. 1667–1691, Nov 2014.
Reading: T.S. Rappaport, Wireless Communications Principles and Practice, 2nd ed, Ch 4, 2003.

 

WWB03: The Radio Link Budget

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Part of the Wireless Without Batteries lecture series. We discuss various forms of the link budget, particularly those related to RFID and sensor systems.

WWB03: The Radio Link Budget
Paper: P.V. Nikitin and K.V.S. Rao, “Antennas and Propagation in UHF RFID Systems.” IEEE International Conference on RFID, Las Vegas, NV. April 2008. 12 pages.
Reading: T.S. Rappaport, Wireless Communications Principles and Practice, 2nd ed, Ch 4, 2003.

WWB02: Antennas in Circuits for Energy Harvesting

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In this lecture of the Wireless Without Batteries series, we discuss the basics of modeling antennas in circuits –both in transmit mode and receive mode. Below is a reading list corresponding to the material.

WWB02:  Antennas in Circuits for Energy Harvesting
Paper:  C.R. Valenta, G.D. Durgin. “Survey of Energy-harvester Conversion Efficiency in Far-field, Wireless Power Transfer Systems.” IEEE Microwave Magazine.  vol 14, no 4, June 2014. 10 pages.
Reading: WWB Notes on Antennas in Circuits

RF Band Chart

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Ever had trouble navigating the Byzantine nomenclature for RF frequency bands used by engineers? I though I would post a link to this helpful chart, which my students have found helpful in the past. Download the following RF band chart.